模拟光纤特性，绘制基模的有效折射率与归一化频率以及功率限制性因子与归一化频率的曲线。-Analog fiber optic properties, rendering the base model of the effective refractive index and the normalized frequency and power limiting factor and the normalized frequency curve.

计算阶跃折射率光纤传播常数、归一化频率、截止波长、导模数量等- Calculate for Step Index Fibers (using MATLAB): a) Propagation constant (β) b) Normalized propagation constant (b) c) V number (V) d) Check whether the fiber is single mode or multi mod

了解光纤的四类导波模式的特征方程,掌握四类导波模式与归一化截止频率的对应关系.-Understand the four types of guided wave mode characteristic equation of optical fiber, master the four types of guided wave mode and the corresponding relation of the normalized cut-off frequency.

光纤模式容量，以及归一化。并用此对单模光纤进行模式分析(Fiber mode capacity, and normalization. The mode analysis of single mode fiber is also used.)